add: open attachment to magic key command

src/extras/editor/editorStrings.ts

@@ -28,6 +28,10 @@ const editorStrings = {
     "en-US": "Insert Citation",
     "zh-CN": "插入引用",
   },
+  openAttachment: {
+    "en-US": "Open attachment of parent item",
+    "zh-CN": "打开父条目的附件",
+  },
   copySectionLink: {
     "en-US": "Copy Section Link",
     "zh-CN": "复制章节链接",

src/extras/editor/magicKey.ts

@@ -13,6 +13,8 @@ interface MagicKeyOptions {
   insertTemplate?: () => void;
   insertLink?: (type: "inbound" | "outbound") => void;
   copyLink?: (mode: "section" | "line") => void;
+  openAttachment?: () => void;
+  canOpenAttachment?: () => boolean;
   enable?: boolean;
 }
 
@@ -21,6 +23,7 @@ interface MagicCommand {
   title?: string;
   icon?: string;
   command: (state: EditorState) => void | Transaction;
+  enabled?: (state: EditorState) => boolean;
 }
 
 class PluginState {
@@ -28,7 +31,7 @@ class PluginState {
 
   options: MagicKeyOptions;
 
-  commands: MagicCommand[] = [
+  _commands: MagicCommand[] = [
     {
       messageId: "insertTemplate",
       command: (state) => {
@@ -53,6 +56,15 @@ class PluginState {
         getPlugin("citation")?.insertCitation();
       },
     },
+    {
+      messageId: "openAttachment",
+      command: (state) => {
+        this.options.openAttachment?.();
+      },
+      enabled: (state) => {
+        return this.options.canOpenAttachment?.() || false;
+      },
+    },
     {
       messageId: "copySectionLink",
       command: (state) => {
@@ -166,6 +178,15 @@ class PluginState {
     },
   ];
 
+  get commands() {
+    return this._commands.filter((command) => {
+      if (command.enabled) {
+        return command.enabled(this.state);
+      }
+      return true;
+    });
+  }
+
   popup: Popup | null = null;
 
   selectedCommandIndex = 0;

src/utils/editor.ts

@@ -530,6 +530,26 @@ function initEditorPlugins(editor: Zotero.EditorInstance) {
             copyLink: (mode: "section" | "line") => {
               copyNoteLink(editor, mode);
             },
+            openAttachment: () => {
+              editor._item.parentItem
+                ?.getBestAttachment()
+                .then((attachment) => {
+                  if (!attachment) {
+                    return;
+                  }
+                  Zotero.getActiveZoteroPane().viewAttachment([attachment.id]);
+                  Zotero.Notifier.trigger("open", "file", attachment.id);
+                });
+            },
+            canOpenAttachment: () => {
+              const parentItem = editor._item.parentItem;
+              if (!parentItem) {
+                return false;
+              }
+              return (
+                (editor._item.parentItem as Zotero.Item).numAttachments() > 0
+              );
+            },
             enable: getPref("editor.useMagicKey") as boolean,
           },
           markdownPaste: {